synertek, inc. (building 1)

3050 CORONADO BLVD

In 1974, Synertek Inc. (Synertek) leased the building located at 3050 Coronado Drive in Santa Clara, California (Building No. 1), where it conducted semiconductor manufacturing operations. In 1979, Honeywell acquired Synertek as a wholly owned subsidiary. Synertek manufacturing operations ceased in 1985. Prior to 1985, Synertek constructed and operated two underground tank systems east of the building. One 200-gallon-capacity solvent tank was used for storing solvents between 1976 and 1982 and three former neutralization system tanks were used between 1974 and 1982 as holding tanks. These tanks stored a variety of chemicals, including chlorinated solvents. The tanks leaked volatile organic compounds (VOCs) into the soil. The quantity of solvents released by these tanks and the dates of the releases is unknown. These tanks, along with the affected soils, were removed in 1985. At that time, it was discovered that onsite and offsite groundwater had become contaminated. Your drinking water is not affected by VOC groundwater contamination from the site. Your drinking water is brought into the City of Santa Clara through the complex infrastructure of the State Water Project, the federal Central Valley Project, and San Francisco’s Hetch Hetchy Reservoir in the Sierra Nevada Mountains, not from groundwater in this area. In addition, Santa Clara’s drinking water is routinely tested to make sure it meets drinking water quality standards.

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